• Freddy_1
    Translate Original Version
    Logical and symetric
    also mirror from up to down and left to right.
    Thanks.
    June 17, 2013, 9:40 am
  • margpheb
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    SPOILER
    Divide into quarters, top left and bottom right are identical, top right the colours are inverted, bottom left as top right except for a 2 X 2 square.
    June 18, 2013, 6:02 pm
  • LeraDraco69
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    SPOILER

    Tough, but easy to do once you realize they're each centered circle/diamond shapes.
    June 27, 2014, 2:35 am
  • russs
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    Not logical.
    November 12, 2018, 10:06 pm